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MEG4 Mooring Numbers: What Each Figure Actually Means
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When I was sailing as Chief Officer, brake testing was commonly understood in relation to the mooring line’s MBL. The brake was tested, the operating position marked, and the familiar figure onboard was 60%.
MEG4 formalised Ship Design MBL as the reference and introduced clearer distinctions between the figures used in the mooring system.
This video explains SDMBL, LDBF, WLL and winch brake…